From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 73C55CA5FCB for ; Thu, 1 Oct 2026 12:52:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tec5FQuLPRbdVVuUIDCytMknbBana/Hua8s4K23aD0c=; b=F2ThSKkTUq+ljpsTwM3CE2kXmF CYGbjKLrJDBbMk3HvjmP0wNlx6qTkD+MVVdIrkXRJ59/Wxc6Fc2xg4lZ8cPdZD/7v6rZs4FXk2Kys XBu0oHz0FAPAf+PWeP0ZhpChzXZAvRXf05bmLB016ncSsXQMyV7p30bTt7mEthg9XDGesCW2JrtVx LwiRyZq1saZVrYWqUROUQnDmnc1pPu1Nx9vqMMaD2voxadRDDwp5+4nNfAhabbcqIc/vJqbYhk958 69jlH/V5DnCJUbpNcrA7NGI2eEQ9ONhb6PtPSDbOPJUwZDI8tVXOhy9qG8NAvBfacCCIZdkHo1Fhi +8xCvrsw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCGGn-0000000990p-31m5; Thu, 01 Oct 2026 12:52:18 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCGGm-0000000990b-1Rak for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2026 12:52:16 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 75D89403DC; Thu, 1 Oct 2026 12:52:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5D3E1F000FF; Thu, 1 Oct 2026 12:52:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1790859135; bh=tec5FQuLPRbdVVuUIDCytMknbBana/Hua8s4K23aD0c=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=K2poqIT9ceZq6Ra4TaTezpspNG6viPMERp45zFObidAykvZxZAxoOQIIzK3ssGp/Q CcwazjuaWGcA0ukfuqOP8DNdB4JdI9P43/U/uh6t4wGs5l1U5D3VfcJsaZHbxjZUgv I1xPQL6NDREljq3owZtVIHgwzvv9UWf6XJUC1uWY= Date: Thu, 1 Oct 2026 14:52:09 +0200 From: Greg Kroah-Hartman To: longzhao@ambarella.com Cc: Arnd Bergmann , Krzysztof Kozlowski , Alexandre Belloni , soc@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Jerome Brunet , Linus Walleij , Bartosz Golaszewski , Michael Walle , Jiri Slaby , Andy Shevchenko , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Catalin Marinas , Will Deacon , Long Zhao , Lee Jones , mfd@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 13/15] serial: 8250_dw: add Ambarella CV75 quirks Message-ID: <2026100140-overbite-mundane-fc79@gregkh> References: <20261001-cv75-v5-v9-0-486cc289a4b8@ambarella.com> <20261001-cv75-v5-v9-13-486cc289a4b8@ambarella.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20261001-cv75-v5-v9-13-486cc289a4b8@ambarella.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 01, 2026 at 08:41:02PM +0800, Long Zhao via B4 Relay wrote: > From: Long Zhao > > The Ambarella CV75 UART is Ambarella IP, not a Synopsys DesignWare > licensed block. At the register level it is close enough to DW APB UART > that a full custom UART driver is unnecessary: reuse 8250_dw with a > small platform quirk. > > Quirks: > - keep IER ETOI (bit 5) set for RX timeout behaviour > - skip set_rate; baud clock is managed outside the UART block > > Reviewed-by: Linus Walleij > Reviewed-by: Andy Shevchenko > Reviewed-by: Ilpo Järvinen > Signed-off-by: Long Zhao > --- > drivers/tty/serial/8250/8250_dw.c | 32 ++++++++++++++++++++++++++++++++ > 1 file changed, 32 insertions(+) When you submit lots of different subsystem patches all in one series, it's hard, if not impossible, for subsystem maintainers to take them :( thanks, greg k-h